Usability of iteratively implemented individual information and feedback elements of an assistance system

Usability of iteratively implemented individual information and feedback elements of an assistance system - AS_Tra 1_2

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00031719

Enrollment

Registered

2023-05-05

Start date

2023-05-15

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Older people (= 70 years) with (1) presence of malnutrition or presence of one or more risk factors for malnutrition: weight loss within the past 3 months, decreased food intake in the past 3 months, or decreased BMI (<23kg/m²) (2) or presence of one or more signs of reduced mobility

Interventions

Group 1: Participants take part in a one-time application test using "Thinking aloud" in the measurement and training station. In advance, the test procedure, the operation and function of the individ

Eligibility

Sex/Gender

All

Age

70 Years to No maximum

Inclusion criteria

Inclusion criteria: (1)Presence of malnutrition according to the Mini Nutritional Assessment Short Form (MNA-SF) (0-7 points) or presence of one or more risk factors for malnutrition: weight loss within the last 3 months, reduced food intake in the last 3 months or a reduced BMI (<23kg/m²) or presence of one or more signs of reduced mobility (walking speed <0.8 m/s, Short Physical Performance Battery (SPPB) <8). (2) able to go to the study center (first floor, building V04) at the University of Oldenburg.

Exclusion criteria

Exclusion criteria: (1) lack of ability to give consent. (2) insufficient ability to understand the study content and procedure or the German language (3) severe mobility impairment (unable to walk) (4) severe visual limitations that do not allow independent operation of the components of the measurement and training station

Design outcomes

Primary

Measure	Time frame
The primary objective of this study is to evaluate the individual elements of the measuring and training station in regard to their usability with the System Usability Scale.	—

Secondary

Measure	Time frame
The "Thinking aloud" data and the observations of the participants during the execution of the test tasks (time required, support needed) will be used to identify potential for optimization.	—

Countries

Germany

Contacts

Public ContactRebecca Diekmann

Carl von Ossietzky Universität Oldenburg

rebecca.diekmann@uol.de0441-7984359

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026